HP ZBook 15u G3 Mobile Workstation HP EliteBook 850 G3 Notebook PC HP EliteBook 840 G3 Notebook PC - Maintenance and Service Guide

Display assembly
Description Spare part number
Display panel assembly, touch screen for HP EliteBook 848 and HP EliteBook 840 821178-001
Display panel assembly, touch screen for HP EliteBook 850 821196-001
Display panel assembly, touch screen for HP ZBook 15u 827872-001
Before removing the display assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 35).
5. Remove the battery (see Battery on page 40).
6. Remove the following components:
a. WLAN module (see WLAN/Bluetooth combo card on page 46)
b. WWAN module (see WWAN module on page 48)
Remove the display assembly:
1. Position the computer upside down.
2. Disconnect the display cable from the system board.
3. Remove the WLAN antennas and WWAN antennas (if equipped) from the routing path along the base of
the computer.
76 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts